<header>Don't trust UIDs</header>

In addition to the <a href=squash>Trust remote users</a> section, this option
allows you to specify a list of client UIDs to be treated as the
<a href=anonuid>untrusted user</a>. You must enter a comma-separated list
of UIDs or UID ranges like <tt>1,10,20-25,100-150</tt>.
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